Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-03-03
Nucl.Phys.A808:117-123,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
ReVTeX, 4 pages, 5 figures
Scientific paper
10.1016/j.nuclphysa.2008.05.009
We consider the possible phases of a non-Abelian gauge theory, as a function of temperature and quark chemical potential, when both the number of colors and flavors is very large. Generally, a large number of flavors washes out deconfining phase transitions. We show, however, that the degeneracy of even the lightest baryons is exponentially large. This implies that the baryon number (or fluctuations thereof, at zero chemical potential) is an order parameter in the limit of an infinite number of colors and flavors.
Hidaka Yoshimasa
McLerran Larry D.
Pisarski Robert D.
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